we need to see the link but maybe this could help put the full url for the logo in the templates search for the logo in main.html and put the full url like change "/images/logo.gif" to "http://www.domainname.com/images/logo.gif" if you added the full url to image and the problem ...
proly because 1.6 is an outdated version & they woudnt want to spend time fixing things on old version; when its already been fixed in latest stable releases either email support and ask them to custom modify your site or just upgrade it :) I will upgrade but not right now i need to wait for 1....